Altec Lansing, Horn, models:

210A LF SPEAKER CABINET	Manual
311-60 HF HORN	Manual
31B HF HORN	Manual
511B HF HORN	Manual
811B HF HORN	Manual
816C LF SPEAKER CABINET	Manual
816VI LF SPEAKER SYSTEM	Manual
HF HORNS MULTICELLULAR HORNS	Manual
MR HF HORNS - SUMMARY SHEET	Manual
MR42B HF HORN	Manual
MR64B HF HORN	Manual
MR931-12 HF HORN	Manual
MR945A HF HORN	Manual
MR94B HF HORN	Manual
MR994A HF HORN	Manual
MRII5124 HF HORN	Manual
MRII542 HF HORN	Manual
MRII564 HF HORN	Manual
MRII594A HF HORN	Manual
Mantaray MR II 564	Specifications
VIR HF HORN	Manual
VIT HF HORN	Manual